diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index ef5157b..ac48998 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -50,7 +50,7 @@ macro(setup_test)
     file(MAKE_DIRECTORY ${CURRENT_TEST_BINARY_DIR})
     file(GLOB TEST_FILES "${CURRENT_TEST_SOURCE_DIR}/*")
     file(COPY ${TEST_FILES} DESTINATION "${CURRENT_TEST_BINARY_DIR}/")
-    set(TEST_NP 2)
+    set(TEST_NP 4)
     set(MPI_COMMANDS "${MPIEXEC_EXECUTABLE} ${MPIEXEC_NUMPROC_FLAG} ${TEST_NP} ${MPIEXEC_PREFLAGS}")
     if(AMReX_CUDA OR AMReX_HIP OR AMReX_SYCL)
       set(FCOMPARE_TOLERANCE "-r 1e-10 --abs_tol 1.0e-12")
diff --git a/test/test_files/abl-bndry-input/abl-amr-bndry-input.inp b/test/test_files/abl-bndry-input/abl-amr-bndry-input.inp
index b054369..e68d3e7 100644
--- a/test/test_files/abl-bndry-input/abl-amr-bndry-input.inp
+++ b/test/test_files/abl-bndry-input/abl-amr-bndry-input.inp
@@ -85,3 +85,4 @@ nodal_proj.mg_rtol = 1.0e-12
 nodal_proj.mg_atol = 1.0e-12
 mac_proj.mg_rtol = 1.0e-12
 mac_proj.mg_atol = 1.0e-12
+amrex.the_arena_init_size = 0
diff --git a/test/test_files/abl-bndry-output/abl-amr-bndry-output.inp b/test/test_files/abl-bndry-output/abl-amr-bndry-output.inp
index ccff6c4..bb67769 100644
--- a/test/test_files/abl-bndry-output/abl-amr-bndry-output.inp
+++ b/test/test_files/abl-bndry-output/abl-amr-bndry-output.inp
@@ -77,3 +77,4 @@ nodal_proj.mg_rtol = 1.0e-12
 nodal_proj.mg_atol = 1.0e-12
 mac_proj.mg_rtol = 1.0e-12
 mac_proj.mg_atol = 1.0e-12
+amrex.the_arena_init_size = 0
diff --git a/test/test_files/amr-nalu-cylinder-motion/cylinder-amr.inp b/test/test_files/amr-nalu-cylinder-motion/cylinder-amr.inp
index 7c6a33e..44cb309 100644
--- a/test/test_files/amr-nalu-cylinder-motion/cylinder-amr.inp
+++ b/test/test_files/amr-nalu-cylinder-motion/cylinder-amr.inp
@@ -60,3 +60,4 @@ mac_proj.mg_rtol = 1.0e-12
 mac_proj.mg_atol = 1.0e-12
 nodal_proj.num_pre_smooth = 10
 nodal_proj.num_post_smooth = 10
+amrex.the_arena_init_size = 0
diff --git a/test/test_files/amr-nalu-cylinder/cylinder-amr.inp b/test/test_files/amr-nalu-cylinder/cylinder-amr.inp
index 7c6a33e..44cb309 100644
--- a/test/test_files/amr-nalu-cylinder/cylinder-amr.inp
+++ b/test/test_files/amr-nalu-cylinder/cylinder-amr.inp
@@ -60,3 +60,4 @@ mac_proj.mg_rtol = 1.0e-12
 mac_proj.mg_atol = 1.0e-12
 nodal_proj.num_pre_smooth = 10
 nodal_proj.num_post_smooth = 10
+amrex.the_arena_init_size = 0
diff --git a/test/test_files/ctv/ctv-amr1.inp b/test/test_files/ctv/ctv-amr1.inp
index d8a3e6e..0493b67 100644
--- a/test/test_files/ctv/ctv-amr1.inp
+++ b/test/test_files/ctv/ctv-amr1.inp
@@ -62,3 +62,4 @@ mac_proj.mg_rtol = 1.0e-12
 mac_proj.mg_atol = 1.0e-12
 nodal_proj.num_pre_smooth = 10
 nodal_proj.num_post_smooth = 10
+amrex.the_arena_init_size = 0
diff --git a/test/test_files/ctv/ctv-amr2.inp b/test/test_files/ctv/ctv-amr2.inp
index 4230e6e..01d11b5 100644
--- a/test/test_files/ctv/ctv-amr2.inp
+++ b/test/test_files/ctv/ctv-amr2.inp
@@ -62,3 +62,4 @@ mac_proj.mg_rtol = 1.0e-12
 mac_proj.mg_atol = 1.0e-12
 nodal_proj.num_pre_smooth = 10
 nodal_proj.num_post_smooth = 10
+amrex.the_arena_init_size = 0
diff --git a/test/test_files/ctv/ctv-amr3.inp b/test/test_files/ctv/ctv-amr3.inp
index e129668..44e0070 100644
--- a/test/test_files/ctv/ctv-amr3.inp
+++ b/test/test_files/ctv/ctv-amr3.inp
@@ -62,3 +62,4 @@ mac_proj.mg_rtol = 1.0e-12
 mac_proj.mg_atol = 1.0e-12
 nodal_proj.num_pre_smooth = 10
 nodal_proj.num_post_smooth = 10
+amrex.the_arena_init_size = 0
diff --git a/test/test_files/dam-break-block/dam-break-block-amr.inp b/test/test_files/dam-break-block/dam-break-block-amr.inp
index dc70fb8..c1ab0c6 100644
--- a/test/test_files/dam-break-block/dam-break-block-amr.inp
+++ b/test/test_files/dam-break-block/dam-break-block-amr.inp
@@ -53,3 +53,4 @@ zhi.density_type = "mass_inflow"
 zhi.density = 1.
 
 incflo.verbose=0
+amrex.the_arena_init_size = 0
diff --git a/test/test_files/flat-surface/flat-surface-amr.inp b/test/test_files/flat-surface/flat-surface-amr.inp
index 5c68f50..39b62a1 100644
--- a/test/test_files/flat-surface/flat-surface-amr.inp
+++ b/test/test_files/flat-surface/flat-surface-amr.inp
@@ -49,3 +49,4 @@ nodal_proj.mg_rtol = 1.0e-12
 nodal_proj.mg_atol = 1.0e-12
 mac_proj.mg_rtol = 1.0e-12
 mac_proj.mg_atol = 1.0e-12
+amrex.the_arena_init_size = 0
diff --git a/test/test_files/hybrid-multi-cylinder/cylinder-amr.inp b/test/test_files/hybrid-multi-cylinder/cylinder-amr.inp
index 29d13f2..80fdcc1 100644
--- a/test/test_files/hybrid-multi-cylinder/cylinder-amr.inp
+++ b/test/test_files/hybrid-multi-cylinder/cylinder-amr.inp
@@ -60,3 +60,4 @@ mac_proj.mg_rtol = 1.0e-12
 mac_proj.mg_atol = 1.0e-12
 nodal_proj.num_pre_smooth = 10
 nodal_proj.num_post_smooth = 10
+amrex.the_arena_init_size = 0
diff --git a/test/test_files/linear-waves/linear-waves-amr.inp b/test/test_files/linear-waves/linear-waves-amr.inp
index cbe402b..04e0978 100644
--- a/test/test_files/linear-waves/linear-waves-amr.inp
+++ b/test/test_files/linear-waves/linear-waves-amr.inp
@@ -84,3 +84,4 @@ zhi.density_type = "zero_gradient"
 
 incflo.verbose=0
 
+amrex.the_arena_init_size = 0
diff --git a/test/test_files/sloshing-tank/sloshing-tank-amr.inp b/test/test_files/sloshing-tank/sloshing-tank-amr.inp
index 2c5023b..e6c0a81 100644
--- a/test/test_files/sloshing-tank/sloshing-tank-amr.inp
+++ b/test/test_files/sloshing-tank/sloshing-tank-amr.inp
@@ -48,4 +48,5 @@ yhi.type =   "slip_wall"
 zlo.type =   "slip_wall"
 zhi.type =   "slip_wall"
 
-incflo.verbose          =   0          # incflo_level
\ No newline at end of file
+incflo.verbose          =   0          # incflo_level
+amrex.the_arena_init_size = 0
diff --git a/test/test_files/sphere/sphere-amr.inp b/test/test_files/sphere/sphere-amr.inp
index 8f71bbb..8e3b6b1 100644
--- a/test/test_files/sphere/sphere-amr.inp
+++ b/test/test_files/sphere/sphere-amr.inp
@@ -68,3 +68,4 @@ mac_proj.mg_rtol = 1.0e-12
 mac_proj.mg_atol = 1.0e-12
 nodal_proj.num_pre_smooth = 10
 nodal_proj.num_post_smooth = 10
+amrex.the_arena_init_size = 0
diff --git a/test/test_files/stokes-waves-cylinder/stokes-waves-cylinder-amr.inp b/test/test_files/stokes-waves-cylinder/stokes-waves-cylinder-amr.inp
index 149715f..0d52e9e 100644
--- a/test/test_files/stokes-waves-cylinder/stokes-waves-cylinder-amr.inp
+++ b/test/test_files/stokes-waves-cylinder/stokes-waves-cylinder-amr.inp
@@ -101,4 +101,5 @@ yhi.type =   "slip_wall"
 zlo.type =   "slip_wall"
 zhi.type =   "slip_wall"
 
-incflo.verbose          =   0          # incflo_level
\ No newline at end of file
+incflo.verbose          =   0          # incflo_level
+amrex.the_arena_init_size = 0
diff --git a/test/test_files/zalesak/zalesak-amr.inp b/test/test_files/zalesak/zalesak-amr.inp
index 325b000..89ac344 100644
--- a/test/test_files/zalesak/zalesak-amr.inp
+++ b/test/test_files/zalesak/zalesak-amr.inp
@@ -55,3 +55,4 @@ nodal_proj.mg_rtol = 1.0e-12
 nodal_proj.mg_atol = 1.0e-12
 mac_proj.mg_rtol = 1.0e-12
 mac_proj.mg_atol = 1.0e-12
+amrex.the_arena_init_size = 0